Nutritional whole-grain cereal meal and preparation method thereof

The invention discloses a nutritional whole-grain cereal meal and a preparation method thereof, and belongs to the field of food processing. The nutritional whole-grain cereal meal is prepared from the following raw materials in parts by weight: 15-25 parts of black rice, 5-10 parts of semen sesami nigrum, 5-10 parts of oat, 1-5 parts of black glutinous rice, 1-5 parts of black bean flour, 1-5 parts of oatmeal, 1-2 parts of purple sweet potatoes and purple Chinese yam or 1-2 parts of freeze-drying raw materials. The preparation method comprises the following working procedures of frying the semen sesami nigrum, puffing the black rice and the black glutinous rice, crushing raw materials, mixing and the like. The nutritional whole-grain cereal meal has the characteristics of low content of fat, high content of proteins, dietary fibers and vitamins, relatively reasonable nutrition match, relatively convenience in preparation, and rich mouthfeel, can effectively remedy the problems of poor nutrition replenishment, low proteins, inconvenience in eating, poor mouthfeel and the like in existing foods (especially the food for breakfast), so that the dietary structure for the breakfast becomes reasonable.